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Diamond IV
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juchan1220Diamond IV
juchan12206
Diamond IV 2300100 until Diamond III
1,364 Solved492 Contributions9 Reverse rivals
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Date Added# Unlocked UsersTier
  • Beta Contributor
    Beta Contributor
    Contributed once or more between July 13, 2019 and June 4, 2020
    442
  • UCPC 2020 Finals
    UCPC 2020 Finals
    Participated in UCPC 2020 Finals
    361
  • 1 Solve
    Celebrated the 1st anniversary of solved.ac
    5K
  • Level 1 Sprout
    Solved problems for 2 days in a row
    123K
  • Level 2 Sprout
    Level 2 Sprout
    Solved problems for 4 days in a row
    78K
  • Level 3 Sprout
    Level 3 Sprout
    Solved problems for 8 days in a row
    36K
  • Level 4 Sprout
    Solved problems for 16 days in a row
    19K
  • Level 5 Sprout
    Level 5 Sprout
    Solved problems for 32 days in a row
    11K
  • Level 6 Sprout
    Level 6 Sprout
    Solved problems for 64 days in a row
    6.6K
  • Binary Game 2 (2022)
    Binary Game 2 (2022)
    Solved uncountable problem in the Real Final Ghudegy Cup 2 2
    747
  • Hello, world! (2022)
    Hello, world! (2022)
    Solved uncountable problem in the Real Final Ghudegy Cup 2 2
    747
  • ★★Seventeen Stars★★ (2022)
    ★★Seventeen Stars★★ (2022)
    Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
    2.1K
  • 2 Solves
    2 Solves
    Celebrated the 2nd anniversary of solved.ac
    9.7K
  • 2022 Inha University Programming Contest
    2022 Inha University Programming Contest
    Participated in 2022 Inha University Programming Contest, or solved 1 or more problems in its open contest
    291
  • UCPC 2022
    UCPC 2022
    Participated in UCPC 2022, or its open contest
    991
  • The 9th Hanyang University Programming Contest
    The 9th Hanyang University Programming Contest
    Participated in the 9th Hanyang University Programming Contest, or solved 1 or more problems in its open contest
    284
  • Newbie Problem-solver
    Newbie Problem-solver
    Solve 10 problems
    150K
  • Beginner Problem-solver
    Beginner Problem-solver
    Solve 50 problems
    104K
  • Apprentice Problem-solver
    Apprentice Problem-solver
    Solve 100 problems
    66K
  • Skilled Problem-solver
    Skilled Problem-solver
    Solve 200 problems
    31K
    • 12